CN204613223U - A kind of automatic sampler - Google Patents
A kind of automatic sampler Download PDFInfo
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- CN204613223U CN204613223U CN201520282517.4U CN201520282517U CN204613223U CN 204613223 U CN204613223 U CN 204613223U CN 201520282517 U CN201520282517 U CN 201520282517U CN 204613223 U CN204613223 U CN 204613223U
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- rotating disk
- sample
- elevating mechanism
- automatic sampler
- rotating
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Abstract
The utility model discloses a kind of automatic sampler, this automatic sampler comprises rotating disk mechanism, rotating mechanism, the frame structure of elevating mechanism and the fixing said mechanism of installation, wherein elevating mechanism is between rotating disk mechanism and the sample feeding pipe receiving sample to be tested, described elevating mechanism rotation process between rotating disk mechanism and sample feeding pipe supported by rotating mechanism, rotating disk mechanism comprises support sector and rotating drive portion, wherein support sector is for carrying multiple sample hose, rotating drive portion drives described support sector to rotate, so that described sample to be tested QC is gone to elevating mechanism place, elevating mechanism comprises jaw portion, lifting unit, jaw portion is elevated under the drive of lifting unit, for clamping the sample to be tested QC at elevating mechanism place, and by it placement sample feeding pipe.According to the automatic sampler that the utility model realizes, achieve modular design, make each body function clear and definite, operation accurately, and reduces failure rate, convenient debugging and maintenance, and transmission efficiency is high, good reliability.
Description
Technical field
The utility model belongs to nuclear magnetic resonance spectrometer field, more specifically, relates to a kind of injector of the nuclear magnetic resonance spectrometer sample that automatically switches.
Background technology
In the testing process of nuclear magnetic resonance spectrometer, once can only carry out the detection of a sample, just need to change sample to carry out detection next time after a sample detection completes, and the replacing of sample is by manually operating, operating personnel need to hurry back and forth between the superconducting magnet of operator's console and nuclear magnetic resonance spectrometer frequently, both the plenty of time of operating personnel had been wasted, also make the operation of nuclear magnetic resonance spectrometer very loaded down with trivial details, for overcoming this manually-operated technology inferior position in prior art, exist and a kind ofly can substitute the instrument manually realizing automatic switchover sample, automatically the switching of sample can be completed according to the program preset, automatic sampler has become an important mechanism of modern nuclear magnetic resonance spectrometer.
The mode captured mainly received by injector of the prior art with machinery, there are two types: a kind of is independent automatic sampler frame, and the driving-chain of a larger transmission space is installed on frame, the space which takies is comparatively large, and cost is also higher, and another directly installs sales kit (SK) above magnet, machinery is received and is arranged on sales kit (SK) inside, take up room so relatively little, but to design and processing request higher, cost is higher.
A kind of automatic sampler is also disclosed in addition in prior art, propose to utilize chain link as the carrier carrying rotor and sample hose, but the prior art also has following problem: during (1) overall work, chain link also will make spinning motion along the center line of self along with while guide groove slip, frictional resistance is comparatively large, there will be link wear and catching phenomenon after running a period of time; (2) sample hose sample introduction, go out sample all at same place, make this place's complex structure, failure rate is high; (3) motor is by power transmission to chain link, and centre have passed through the repeatedly transmission of spline, spiral gear, spur gear and Timing Belt etc., and transmission efficiency is low, and transmission accuracy is poor; (4) above-mentioned automatic sampler is very high to the position accuracy demand of rotor, and the positioning error that driving-chain is little can cause rotor to break down into and out of sample.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of automatic sampler, its object is to provide a kind of automatic sampler, improve the stability of Whole Equipment, and debug, easy to maintenance, automaticity is high, can save manpower and time, reduces the error that manual operation produces.
For achieving the above object, according to an aspect of the present utility model, provide a kind of automatic sampler, it is characterized in that, this automatic sampler comprises rotating disk mechanism, rotating mechanism, elevating mechanism and installs the frame structure of fixing said mechanism, wherein;
Elevating mechanism between described rotating disk mechanism and the sample feeding pipe receiving sample to be tested,
Described elevating mechanism rotation process between described rotating disk mechanism and described sample feeding pipe supported by rotating mechanism,
Rotating disk mechanism comprises support sector and rotating drive portion, and wherein support sector is for carrying multiple sample hose, and described rotating drive portion drives described support sector to rotate, so that described sample to be tested QC is gone to described elevating mechanism place;
Elevating mechanism comprises jaw portion, lifting unit, and described jaw portion is elevated under the drive of lifting unit, for clamping the described sample to be tested QC at described elevating mechanism place, and described sample feeding pipe is entered in it placement.
Further, the support sector of described rotating disk mechanism comprises rotating disk, and its circumference arranges multiple support set for carrying sample to be tested QC.
Further, described rotating drive portion comprises the first fixed part, the first motor, and described first fixed part is used for fixing described first motor to described rotating disk.
Further, described rotating drive portion also comprises the first correction unit, comprises the first rotary encoder, and it is for detecting in real time the anglec of rotation of described rotating disk and feed back to control system.
Further, described rotating drive portion also comprises the first initial point detecting sensor of the bottom surface being arranged at described rotating disk, and its initial point for described rotating disk detects.
Further, described elevating mechanism comprises jaw portion, it comprises gas pawl, jaw, gas pawl is fixed on gas pawl fixed head for driving described jaw open and close, described jaw is positioned at the front end of described gas pawl for clamping described sample feeding pipe, and described gas pawl fixed head is fixed on the slide block of described lifting unit.
Further, the retained part of described jaw (24) adopts the relative module having V-shaped groove structure, and V-shaped groove structural base is rounding.
Further, described rotating mechanism comprises the second fixed part, the second motor, and described second fixed part is used for fixing described rotating mechanism to described elevating mechanism.
Further, described rotating drive portion also comprises the second correction unit, comprises the second rotary encoder, and it is for detecting in real time the anglec of rotation of described elevating mechanism and feed back to control system.
Further, the second initial point detecting sensor that described rotating mechanism also comprises back up pad and arranges thereon, its initial point for described elevating mechanism detects.
In general, the above technical scheme conceived by the utility model compared with prior art, can obtain following beneficial effect:
(1) automatic sampler that the utility model realizes adopts modular design, and each body function is clear, and action is accurate, reduces failure rate, and can conveniently debug and keep in repair;
(2) output shaft and the motor input shaft of the motor reducer in the utility model adopt interference fit to be directly connected, and reduce middle transition link, transmission efficiency is high, good reliability;
(3) turntable structure adopted can be adapted to multiple rotor, equipment can be allowed to adapt to the rotor of different-diameter, improve the versatility of equipment by the replacing of support set;
(4) clamping jaw structure can adapt to multiple rotor, and holding force is large, and action is soft, have employed both sides V-arrangement location structure, and adopts power to be compressed-air actuated driving mechanism, ensures firm grip and improves the stability of clamping.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the automatic sampler according to the utility model realization;
Fig. 2 is the front elevation of rotating disk mechanism of the automatic sampler realized according to the utility model;
Fig. 3 is the upward view of rotating disk mechanism of the automatic sampler realized according to the utility model;
Fig. 4 is the detailed schematic according to the rotating mechanism in the automatic sampler of the utility model realization;
Fig. 5 is the detailed schematic according to the elevating mechanism in the automatic sampler of the utility model realization;
Fig. 6 is the detailed schematic according to the gripper jaw in the automatic sampler of the utility model realization.
In all of the figs, identical Reference numeral is used for representing identical element or structure, wherein:
Shaft collar 29-second reducer gear 30-second encoder gear 31-second shaft coupling 32-second rotary encoder 33-second motor 34-second reductor 35-second initial point detecting sensor 41-rotating disk mechanism 42-rotating mechanism 43-frame structure 44-sample feeding pipe on 1-sample hose 2-rotor 3-support set 4-rotating disk 5-gland 6-first motor 7-first reductor 8-first encoder gear 9-first shaft coupling 10-first rotary encoder 11-first reducer gear 12-back up pad 13-fixed head 14-first initial point detecting sensor 15-shaft coupling 16-the 3rd motor 17-fixed block 18-slide block 19-bottom plate 20-guide rail 21-Timing Belt 22-gas pawl fixed head 23-gas pawl 24-jaw 25-detector switch 26-back up pad 27-fixed head 28-
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in fig. 1, the structure of the automatic sampler realized according to the utility model is overall by frame structure 43, rotating disk mechanism 41, rotating mechanism 42 and elevating mechanism 40 form, wherein frame structure 43 is fixed for the installation realizing above mechanism, and provide installation dimension accurately for above-mentioned all parts, wherein rotating disk mechanism 41 is arranged on the frame face of frame, sample feeding pipe 44 is arranged at other one end of mechanism, elevating mechanism 40 is arranged between rotating disk mechanism 41 and sample feeding pipe 44, and can rotate between, thus realize sample feeding pipe to be tested operation between Liang Ge mechanism.
Specifically, the function of rotating disk mechanism 41 is carrying rotor 2 and sample hose 1, and when sample introduction, the rotor and sample hose that needed sample are turned to the below of the jaw 24 in elevating mechanism 40 by rotating disk.
Rotating disk mechanism 41 has rotating part, and the rotor 2 on it and sample hose 1 can be driven to rotate, rotor 2 to be tested and sample hose 1 is made to arrive the part of elevating mechanism 40, with the jaw 24 of easy of rise mechanism 40 sample hose 1 to be tested captured and it rotated to sample feeding pipe 44 part, thus sample hose 1 being placed in sample feeding pipe 44.
The function of elevating mechanism 40 is moved up and down the rotor 2 on rotating disk mechanism 41 and sample hose 1, rotating mechanism 42 is facilitated to rotate, so that sample hose 1 to be tested is rotated to elevating mechanism 40 place, carry out gripping sample hose to be tested 1 or clamp from sample feeding pipe 44 sample hose 1 tested ejected reapposing on rotating disk mechanism 41.
Rotating disk mechanism 41 is primarily of with lower part composition, the i.e. support portion of testing sample pipe and rotating drive portion, and wherein rotating drive portion comprises again the first fixed part, the first motor 6, and comprises the first correction portion;
Support portion comprises rotating disk 4, support set 3, puts into support set 3 after together with sample hose 1 is installed to rotor 2, and support set 3 and rotating disk 4 are fixed by screw, rotating disk 4 are provided with altogether 20 support sets 3, can install 20 sample hoses 1 and 20 rotors 2;
First fixed part comprises gland 5, back up pad 12, fixed head 13;
First correction portion comprises the first reductor 7, first encoder gear 8, first shaft coupling 9, first rotary encoder 10, first reducer gear 11;
Rotating disk 4 and the first reductor 7 are secured together by gland 5, and the first reductor 7 and the first motor 6 are connected by screw, and when the first motor 6 rotates, drive rotating disk 4 to rotate by the first reductor 7.First reducer gear 11 is arranged on the axle of the first reductor 7, the first reducer gear 11 can be driven to rotate when the first reductor 7 rotates, first encoder gear 8 engages with the first reducer gear 11, first encoder gear 8 and the first rotary encoder 10 are fixed together by shaft coupling 9, the first rotary encoder can be driven to rotate together when the first motor 6 rotates.
In addition, back up pad 12 and fixed head 13 are the installation foundation of the first reductor, also provide for whole rotating disk mechanism 41 structure be connected with frame structure 43.
Wherein, the lower surface of rotating disk 4 also comprises the first initial point detecting sensor 14, detect for the initial point realizing rotating disk.
According to the turntable structure 41 that the utility model realizes, change support set 3 and equipment can be allowed to adapt to the rotor of different-diameter, dismounting gland 5 can take out rotating disk 4, is convenient for changing rotating disk 4.Rotating disk 4 is driven to rotate by the first motor 6, thus carry out operating into and out of sample to the rotor 3 of diverse location and sample hose 1, the angle that first rotary encoder 10 pairs rotating disk 4 rotates detects in real time and feeds back to control system, control system is revised the error of position again, realize whole system closed-loop control, ensure the positional precision of rotor 3 and sample hose 1.
The structure of rotating mechanism 42 and the rotating drive category of rotating disk mechanism 41 seemingly, mainly consist of the following components: the second fixed part, the second motor 33, and comprise the second correction portion;
Wherein the second fixed part comprises back up pad 26, fixed head 27, upper shaft collar 28,
Second correction portion comprises the second reducer gear 29, second encoder gear 30, second shaft coupling 31, second rotary encoder 32, second reductor 34;
Second reductor 34 and the second motor 33 adopt screw to be secured together, and upper shaft collar 28 is connected with the second reductor 34, and upper shaft collar 28 can be driven when the second motor 33 rotates to rotate together.
Second reducer gear 29 is connected with the second reductor 34, second reducer gear 29 is engaged by teeth portion with the second encoder gear 30, second encoder gear 30 is connected by the second shaft coupling 31 with the second rotary encoder 32, the second rotary encoder 32 can be driven to rotate when the second motor 33 rotates, fixed head 27 is for installing the second reductor 34, and back up pad 26 is for connecting together rotating mechanism 42 with frame structure 43.
Wherein on the second fixed part, be provided with the second initial point detecting sensor 35, the initial point realizing rotating mechanism 42 detects, and namely determines the position initial point that jaw declines.Second rotary encoder 32 detects in real time the angle that upper shaft collar 28 rotates and feeds back to control system, and control system is revised the error of the anglec of rotation again, realizes whole system closed-loop control, ensures the positional precision of rotor 3 and sample hose 1.
Elevating mechanism 40 consists of the following components: jaw portion, drive division, fixed part and rail portion.
Jaw portion comprises gas pawl fixed head 22, gas pawl 23, jaw 24, detector switch 25;
Drive division comprises the 3rd motor 16, fixed block 17, Timing Belt 21 and the 3rd shaft coupling 15;
Fixed part comprises bottom plate 19,
Rail portion comprises fixed block 17, slide block 18, guide rail 20.
3rd motor 16 is connected with guide rail 20 by the 3rd shaft coupling 15, fixed block 17, and slide block 18 can move freely on guide rail 20, and Timing Belt 21 is fixed on slide block 18, and gas pawl fixed head 22 is fixed on slide block 18.3rd motor 16 can drive Timing Belt 21 to move when rotating, and Timing Belt 21 is with movable slider 18, gas pawl fixed head 22, gas pawl 23 again, and jaw 24 moves up and down together.
Jaw 24 is fixed on gas pawl 23, drives jaw 24 open and close by gas pawl 23.
Detector switch 25 is in open mode or closure state for detecting jaw 24.Jaw 24 adopts nylon material to make, and to increase the friction force between jaw 24 and rotor, prevents rotor from gliding, can also shield to rotor, reduces wearing and tearing and the distortion of rotor; The retained part of jaw 24 adopts v-shaped structure at (being divided into left and right two parts), in rounding bottom V-shaped groove, increases the intensity of jaw 24, makes centering good, make the position of rotor in jaw 24 accurate; On jaw 24, the installation site of detector switch is adjustable, ensures the accuracy that jaw detects.
Bottom plate 19 top is fixedly connected with guide rail 20, and bottom is connected with the upper shaft collar 28 in rotating mechanism 42, makes elevating mechanism 40 under the driving of rotating mechanism 42 drives, entirety can do 180 degree of rotary motions.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an automatic sampler, it is characterized in that, this automatic sampler comprises rotating disk mechanism (41), rotating mechanism (42), elevating mechanism (40) and installs the frame structure (43) of fixing said mechanism, wherein;
Elevating mechanism (40) is positioned between described rotating disk mechanism (41) and the sample feeding pipe (44) receiving sample to be tested,
Described elevating mechanism (40) rotation process between described rotating disk mechanism (41) and described sample feeding pipe (44) supported by rotating mechanism (42),
Rotating disk mechanism (41) comprises support sector and rotating drive portion, and wherein support sector is for carrying multiple sample hose, and described rotating drive portion drives described support sector to rotate, so that described sample to be tested QC is gone to described elevating mechanism (40) place;
Elevating mechanism (40) comprises jaw portion, lifting unit, described jaw portion is elevated under the drive of lifting unit, for clamping the described sample to be tested QC at described elevating mechanism (40) place, and described sample feeding pipe (44) is entered in it placement.
2. automatic sampler as claimed in claim 1, it is characterized in that, the support sector of described rotating disk mechanism (41) comprises rotating disk (4), and its circumference arranges multiple support set (3) for carrying sample to be tested QC.
3. automatic sampler as claimed in claim 2, it is characterized in that, described rotating drive portion comprises the first fixed part, the first motor (6), and described first fixed part is used for fixing described first motor (6) to described rotating disk (4).
4. automatic sampler as claimed in claim 3, it is characterized in that, described rotating drive portion also comprises the first correction unit, comprises the first rotary encoder (10), and it is for detecting in real time the anglec of rotation of described rotating disk (4).
5. automatic sampler as claimed in claim 4, it is characterized in that, described rotating drive portion also comprises the first initial point detecting sensor (14) of the bottom surface being arranged at described rotating disk (4), and its initial point for described rotating disk (4) detects.
6. as the automatic sampler in claim 1-5 as described in any one, it is characterized in that, described elevating mechanism (40) comprises jaw portion, it comprises gas pawl (23), jaw (24), gas pawl (23) is fixed on gas pawl fixed head (22) for driving described jaw (24) open and close, described jaw (24) is positioned at the front end of described gas pawl (23) for clamping described sample feeding pipe, and described gas pawl fixed head (22) is fixed on the slide block (18) of described lifting unit.
7. automatic sampler as claimed in claim 6, is characterized in that, the retained part of described jaw (24) adopts the relative module having V-shaped groove structure, and V-shaped groove structural base is rounding.
8. automatic sampler as claimed in claim 7, it is characterized in that, described rotating mechanism (42) comprises the second fixed part, the second motor (33), and described second fixed part is used for fixing described rotating mechanism (42) to described elevating mechanism (40).
9. automatic sampler as claimed in claim 8, it is characterized in that, described rotating drive portion also comprises the second correction unit, comprises the second rotary encoder (32), and it is for detecting in real time the anglec of rotation of described elevating mechanism (40).
10. automatic sampler as claimed in claim 9, it is characterized in that, the second initial point detecting sensor (35) that described rotating mechanism (42) also comprises back up pad (26) and arranges thereon, its initial point for described elevating mechanism (40) detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282517.4U CN204613223U (en) | 2015-05-04 | 2015-05-04 | A kind of automatic sampler |
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| CN201520282517.4U CN204613223U (en) | 2015-05-04 | 2015-05-04 | A kind of automatic sampler |
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| CN204613223U true CN204613223U (en) | 2015-09-02 |
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| CN201520282517.4U Active CN204613223U (en) | 2015-05-04 | 2015-05-04 | A kind of automatic sampler |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106111644A (en) * | 2016-08-27 | 2016-11-16 | 山东新华医疗器械股份有限公司 | The main drive of cleaning machine and reagent bottle clean device |
| CN106996982A (en) * | 2016-01-22 | 2017-08-01 | 豪夫迈·罗氏有限公司 | Device for lifting sample cell |
| US9957111B2 (en) | 2015-10-07 | 2018-05-01 | Roche Diagnostics Operations, Inc. | Laboratory distribution system for conveying test tube holders |
| US10161949B2 (en) | 2016-01-22 | 2018-12-25 | Roche Diagnostics Operations, Inc. | Method and device for transferring sample tubes between a laboratory automation system and a sample archiving system |
| CN109406653A (en) * | 2018-11-06 | 2019-03-01 | 广东诚爱检测技术有限公司 | A kind of chromatograph of automatic sample |
| US10302667B2 (en) | 2016-01-22 | 2019-05-28 | Roche Diagnostics Operations, Inc. | Laboratory sample container carrier handling apparatus and laboratory system |
| CN110186906A (en) * | 2019-06-28 | 2019-08-30 | 湖北省地质勘查装备中心 | Automatic sampling instrument for mineral spectra analysis |
| CN111024515A (en) * | 2019-12-31 | 2020-04-17 | 宁波瑞凌新能源科技有限公司 | Material testing machine |
| CN113075290A (en) * | 2021-03-01 | 2021-07-06 | 南京诺奥新材料有限公司 | Propionic acid concentration measuring device and method |
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2015
- 2015-05-04 CN CN201520282517.4U patent/CN204613223U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9957111B2 (en) | 2015-10-07 | 2018-05-01 | Roche Diagnostics Operations, Inc. | Laboratory distribution system for conveying test tube holders |
| US10302667B2 (en) | 2016-01-22 | 2019-05-28 | Roche Diagnostics Operations, Inc. | Laboratory sample container carrier handling apparatus and laboratory system |
| CN106996982A (en) * | 2016-01-22 | 2017-08-01 | 豪夫迈·罗氏有限公司 | Device for lifting sample cell |
| US10161949B2 (en) | 2016-01-22 | 2018-12-25 | Roche Diagnostics Operations, Inc. | Method and device for transferring sample tubes between a laboratory automation system and a sample archiving system |
| CN106996982B (en) * | 2016-01-22 | 2019-11-05 | 豪夫迈·罗氏有限公司 | For promoting the device of sample cell |
| US10502751B2 (en) | 2016-01-22 | 2019-12-10 | Roche Diagnostics Operations, Inc. | Device for lifting a sample tube |
| CN106111644B (en) * | 2016-08-27 | 2018-04-10 | 山东新华医疗器械股份有限公司 | Reagent bottle cleaning device |
| CN106111644A (en) * | 2016-08-27 | 2016-11-16 | 山东新华医疗器械股份有限公司 | The main drive of cleaning machine and reagent bottle clean device |
| CN109406653A (en) * | 2018-11-06 | 2019-03-01 | 广东诚爱检测技术有限公司 | A kind of chromatograph of automatic sample |
| CN110186906A (en) * | 2019-06-28 | 2019-08-30 | 湖北省地质勘查装备中心 | Automatic sampling instrument for mineral spectra analysis |
| CN110186906B (en) * | 2019-06-28 | 2021-10-29 | 湖北省地质勘查装备中心 | Automatic sample introduction instrument for mineral spectrum analysis |
| CN111024515A (en) * | 2019-12-31 | 2020-04-17 | 宁波瑞凌新能源科技有限公司 | Material testing machine |
| CN111024515B (en) * | 2019-12-31 | 2022-07-22 | 宁波瑞凌新能源科技有限公司 | Material testing machine |
| CN113075290A (en) * | 2021-03-01 | 2021-07-06 | 南京诺奥新材料有限公司 | Propionic acid concentration measuring device and method |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
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Address after: 430075, No. seven, No. 128, East Lake hi tech Development Zone, Wuhan, Hubei, Optics Valley Patentee after: WUHAN ZHONGKE NIUJIN WAVE SPECTRUM TECHNOLOGY Co.,Ltd. Address before: 430075 No.128, Guanggu 7th Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN ZHONGKE MR TECHNOLOGY Co.,Ltd. |